import java.util.Scanner;

public class J04buchong {
    public static void main(String[] args) {
        if(false)System.out.println(1);
        else if(false) System.out.println(2);
        else System.out.println(3);


        if(false)
            System.out.println(1);

        else if(false)
            System.out.println(2);
        else
            System.out.println(3);
    }
}
class Hunjia{
    public static void main(String[] args) {
        int age = 6;
        /*
        当字符串和数字相加的时候，数字会变成字符串
         */
        System.out.println("age = " + age);

        System.out.println(age + "1");//61
        System.out.println(age + 1);//7

        System.out.println(1+age+"3");//73
        System.out.println("1"+age+3);//163
        System.out.println("1"+(age+3));//19
    }
}

class NextIntMore{
    public static void main(String[] args) {
        /*
        一次输入多个数字，多个数字之间空格隔开,回车一次即可
         */
        Scanner abc = new Scanner(System.in);
        System.out.print("输入年龄和成绩：");
        int age = abc.nextInt();
        int score = abc.nextInt();
        System.out.println("age = " + age);
        System.out.println("score = " + score);
    }
}